gfx/angle/src/compiler/DirectiveHandler.cpp@141e0f1194b1 (annotated)
gfx/angle/src/compiler/DirectiveHandler.cpp
Wed, 31 Dec 2014 07:16:47 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 07:16:47 +0100
- branch
- TOR_BUG_9701
- changeset 3
- 141e0f1194b1
- permissions
- -rw-r--r--
Revert simplistic fix pending revisit of Mozilla integration attempt.
| michael@0 | 1 | // |
| michael@0 | 2 | // Copyright (c) 2012 The ANGLE Project Authors. All rights reserved. |
| michael@0 | 3 | // Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 4 | // found in the LICENSE file. |
| michael@0 | 5 | // |
| michael@0 | 6 | |
| michael@0 | 7 | #include "compiler/DirectiveHandler.h" |
| michael@0 | 8 | |
| michael@0 | 9 | #include <sstream> |
| michael@0 | 10 | |
| michael@0 | 11 | #include "compiler/compiler_debug.h" |
| michael@0 | 12 | #include "compiler/Diagnostics.h" |
| michael@0 | 13 | |
| michael@0 | 14 | static TBehavior getBehavior(const std::string& str) |
| michael@0 | 15 | { |
| michael@0 | 16 | static const std::string kRequire("require"); |
| michael@0 | 17 | static const std::string kEnable("enable"); |
| michael@0 | 18 | static const std::string kDisable("disable"); |
| michael@0 | 19 | static const std::string kWarn("warn"); |
| michael@0 | 20 | |
| michael@0 | 21 | if (str == kRequire) return EBhRequire; |
| michael@0 | 22 | else if (str == kEnable) return EBhEnable; |
| michael@0 | 23 | else if (str == kDisable) return EBhDisable; |
| michael@0 | 24 | else if (str == kWarn) return EBhWarn; |
| michael@0 | 25 | return EBhUndefined; |
| michael@0 | 26 | } |
| michael@0 | 27 | |
| michael@0 | 28 | TDirectiveHandler::TDirectiveHandler(TExtensionBehavior& extBehavior, |
| michael@0 | 29 | TDiagnostics& diagnostics) |
| michael@0 | 30 | : mExtensionBehavior(extBehavior), |
| michael@0 | 31 | mDiagnostics(diagnostics) |
| michael@0 | 32 | { |
| michael@0 | 33 | } |
| michael@0 | 34 | |
| michael@0 | 35 | TDirectiveHandler::~TDirectiveHandler() |
| michael@0 | 36 | { |
| michael@0 | 37 | } |
| michael@0 | 38 | |
| michael@0 | 39 | void TDirectiveHandler::handleError(const pp::SourceLocation& loc, |
| michael@0 | 40 | const std::string& msg) |
| michael@0 | 41 | { |
| michael@0 | 42 | mDiagnostics.writeInfo(pp::Diagnostics::ERROR, loc, msg, "", ""); |
| michael@0 | 43 | } |
| michael@0 | 44 | |
| michael@0 | 45 | void TDirectiveHandler::handlePragma(const pp::SourceLocation& loc, |
| michael@0 | 46 | const std::string& name, |
| michael@0 | 47 | const std::string& value) |
| michael@0 | 48 | { |
| michael@0 | 49 | static const std::string kSTDGL("STDGL"); |
| michael@0 | 50 | static const std::string kOptimize("optimize"); |
| michael@0 | 51 | static const std::string kDebug("debug"); |
| michael@0 | 52 | static const std::string kOn("on"); |
| michael@0 | 53 | static const std::string kOff("off"); |
| michael@0 | 54 | |
| michael@0 | 55 | bool invalidValue = false; |
| michael@0 | 56 | if (name == kSTDGL) |
| michael@0 | 57 | { |
| michael@0 | 58 | // The STDGL pragma is used to reserve pragmas for use by future |
| michael@0 | 59 | // revisions of GLSL. Ignore it. |
| michael@0 | 60 | return; |
| michael@0 | 61 | } |
| michael@0 | 62 | else if (name == kOptimize) |
| michael@0 | 63 | { |
| michael@0 | 64 | if (value == kOn) mPragma.optimize = true; |
| michael@0 | 65 | else if (value == kOff) mPragma.optimize = false; |
| michael@0 | 66 | else invalidValue = true; |
| michael@0 | 67 | } |
| michael@0 | 68 | else if (name == kDebug) |
| michael@0 | 69 | { |
| michael@0 | 70 | if (value == kOn) mPragma.debug = true; |
| michael@0 | 71 | else if (value == kOff) mPragma.debug = false; |
| michael@0 | 72 | else invalidValue = true; |
| michael@0 | 73 | } |
| michael@0 | 74 | else |
| michael@0 | 75 | { |
| michael@0 | 76 | mDiagnostics.report(pp::Diagnostics::UNRECOGNIZED_PRAGMA, loc, name); |
| michael@0 | 77 | return; |
| michael@0 | 78 | } |
| michael@0 | 79 | |
| michael@0 | 80 | if (invalidValue) |
| michael@0 | 81 | mDiagnostics.writeInfo(pp::Diagnostics::ERROR, loc, |
| michael@0 | 82 | "invalid pragma value", value, |
| michael@0 | 83 | "'on' or 'off' expected"); |
| michael@0 | 84 | } |
| michael@0 | 85 | |
| michael@0 | 86 | void TDirectiveHandler::handleExtension(const pp::SourceLocation& loc, |
| michael@0 | 87 | const std::string& name, |
| michael@0 | 88 | const std::string& behavior) |
| michael@0 | 89 | { |
| michael@0 | 90 | static const std::string kExtAll("all"); |
| michael@0 | 91 | |
| michael@0 | 92 | TBehavior behaviorVal = getBehavior(behavior); |
| michael@0 | 93 | if (behaviorVal == EBhUndefined) |
| michael@0 | 94 | { |
| michael@0 | 95 | mDiagnostics.writeInfo(pp::Diagnostics::ERROR, loc, |
| michael@0 | 96 | "behavior", name, "invalid"); |
| michael@0 | 97 | return; |
| michael@0 | 98 | } |
| michael@0 | 99 | |
| michael@0 | 100 | if (name == kExtAll) |
| michael@0 | 101 | { |
| michael@0 | 102 | if (behaviorVal == EBhRequire) |
| michael@0 | 103 | { |
| michael@0 | 104 | mDiagnostics.writeInfo(pp::Diagnostics::ERROR, loc, |
| michael@0 | 105 | "extension", name, |
| michael@0 | 106 | "cannot have 'require' behavior"); |
| michael@0 | 107 | } |
| michael@0 | 108 | else if (behaviorVal == EBhEnable) |
| michael@0 | 109 | { |
| michael@0 | 110 | mDiagnostics.writeInfo(pp::Diagnostics::ERROR, loc, |
| michael@0 | 111 | "extension", name, |
| michael@0 | 112 | "cannot have 'enable' behavior"); |
| michael@0 | 113 | } |
| michael@0 | 114 | else |
| michael@0 | 115 | { |
| michael@0 | 116 | for (TExtensionBehavior::iterator iter = mExtensionBehavior.begin(); |
| michael@0 | 117 | iter != mExtensionBehavior.end(); ++iter) |
| michael@0 | 118 | iter->second = behaviorVal; |
| michael@0 | 119 | } |
| michael@0 | 120 | return; |
| michael@0 | 121 | } |
| michael@0 | 122 | |
| michael@0 | 123 | TExtensionBehavior::iterator iter = mExtensionBehavior.find(name); |
| michael@0 | 124 | if (iter != mExtensionBehavior.end()) |
| michael@0 | 125 | { |
| michael@0 | 126 | iter->second = behaviorVal; |
| michael@0 | 127 | return; |
| michael@0 | 128 | } |
| michael@0 | 129 | |
| michael@0 | 130 | pp::Diagnostics::Severity severity = pp::Diagnostics::ERROR; |
| michael@0 | 131 | switch (behaviorVal) { |
| michael@0 | 132 | case EBhRequire: |
| michael@0 | 133 | severity = pp::Diagnostics::ERROR; |
| michael@0 | 134 | break; |
| michael@0 | 135 | case EBhEnable: |
| michael@0 | 136 | case EBhWarn: |
| michael@0 | 137 | case EBhDisable: |
| michael@0 | 138 | severity = pp::Diagnostics::WARNING; |
| michael@0 | 139 | break; |
| michael@0 | 140 | default: |
| michael@0 | 141 | UNREACHABLE(); |
| michael@0 | 142 | break; |
| michael@0 | 143 | } |
| michael@0 | 144 | mDiagnostics.writeInfo(severity, loc, |
| michael@0 | 145 | "extension", name, "is not supported"); |
| michael@0 | 146 | } |
| michael@0 | 147 | |
| michael@0 | 148 | void TDirectiveHandler::handleVersion(const pp::SourceLocation& loc, |
| michael@0 | 149 | int version) |
| michael@0 | 150 | { |
| michael@0 | 151 | static const int kVersion = 100; |
| michael@0 | 152 | |
| michael@0 | 153 | if (version != kVersion) |
| michael@0 | 154 | { |
| michael@0 | 155 | std::stringstream stream; |
| michael@0 | 156 | stream << version; |
| michael@0 | 157 | std::string str = stream.str(); |
| michael@0 | 158 | mDiagnostics.writeInfo(pp::Diagnostics::ERROR, loc, |
| michael@0 | 159 | "version number", str, "not supported"); |
| michael@0 | 160 | } |
| michael@0 | 161 | } |
